Description: Choose to broadcast more than one chat program, run multiple instances, then you can add a chat group.
File list (Check if you may need any files):
MultiCastChat
.............\AddDialog.cpp
.............\AddDialog.h
.............\CntrItem.cpp
.............\CntrItem.h
.............\MainFrm.cpp
.............\MainFrm.h
.............\MultiCast.cpp
.............\MultiCast.h
.............\MultiCastChat.aps
.............\MultiCastChat.clw
.............\MultiCastChat.cpp
.............\MultiCastChat.dsp
.............\MultiCastChat.dsw
.............\MultiCastChat.exe
.............\MultiCastChat.h
.............\MultiCastChat.ncb
.............\MultiCastChat.opt
.............\MultiCastChat.plg
.............\MultiCastChat.rc
.............\MultiCastChatDoc.cpp
.............\MultiCastChatDoc.h
.............\MultiCastChatView.cpp
.............\MultiCastChatView.h
.............\ReadMe.txt
.............\res
.............\...\MultiCastChat.rc2
.............\resource.h
.............\StdAfx.cpp
.............\StdAfx.h